I am not sure that my original posting was entirely clear. In any case, I have determined a way to link my tables together despite having no unique identifier on each submitted form. I am sure my solution is not the most elegant, and I suspect using xpath, etc. more of the functionality is built...
I tried to post this to the Tables group but haven't had any response so far. I don't know for certain whether it is an underlying design problem or a coding one. It is long explanation for what is possibly a very basic problem.
I have recently been involved in a process to build a simple...